21 N 



5631 Batrachia asd Reptilia. Taxonomy and Systematic. 



Batrachia (or Amphibia) consists of Steg'ocej)tiala (or 

 Labyriathodoutia), Apoda, Caudata (or (Jrodela), 

 Ecaudata (or Anura). 



Keptilia consists of Anomodontia, Rhyncliocephalia , 

 Plesiosauria, Ichthyosauria, Chelonia, Gfocodilia, 

 Dinosauria, Ornithosauria (or Pterosauria), Ophidia, 

 Pythonomorpha, Rhiptoglossa, Lacertilia. 



Each slip must say whether it relates to Batrachia or 

 Reptilia, and should also mention the group or family 

 it relates to. 



5803-5831. Aves. 

 5803 Aves. Comprehensive and General Works. 



5807 Aves. Structure. 



[For sub-divisions, see 0207.] 



5811 Aves. Physiology. 



[For sub-divisions, see 0211.] 



5815 Aves. Development. 



[For sub-divisions, see 0215.] 



5819 Aves. Ethology. 



[For sub-divisions, see 0219.] 



5823 Aves. Varla^tion and ^Etiology. 

 [For sub-divisions, see 0223.] 



5827 Aves. Geography. 



[For sub-divisions, see J, 1 and 2.] 



5831 Aves. Taxonomy and Systematic. 



[The divisions of Aves are as follows, in aiphii I etical 

 arrangement : — Accipitres ; ^pyornithes ; klcae ; 

 Alectorides (including Cariama) ; ^jQseree (in- 

 cluding Phoenicopteri and Palamediidse) ; Apteryges 

 Caprimulgi; Casuarii; Coccyges; Columba3 ; Coraciye 

 Cryptud; Cypseh ; Dinornithes; FuKcari^; Gallinse 

 GavisB : Herodiones ; Heterodactylee ; Impeunes 

 Limicolee ; Odontolcpe Odontormse ; Opisthocomi 

 Passeres; Pici; Psittaci; Pterocletes; Pygopodes 

 Rhege ; Saururie ; Ste.2;anopodes ; Stereornithes 

 Striges ; Struthiones -, Tubinares ; Zygodactylse.] 



